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P0404 - EGR A Control Circuit Range/Performance

P0404 is a generic powertrain diagnostic trouble code indicating EGR A Control Circuit Range/Performance. It relates to the Auxiliary Emission Controls system.

DTC Breakdown (SAE J2012)

Facts for code P0404
SystemPowertrain (P)
TypeGeneric
SubsystemAuxiliary Emission Controls
Fault Index04
StandardSAE J2012 / ISO 15031-6

What does diagnostic code P0404 mean?

The dtc/">diagnostic trouble code P0404 represents EGR A Control Circuit Range/Performance. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

Detailed diagnostic guides and specific fix procedures for code P0404 are currently being compiled. Always verify check engine warnings with a qualified mechanic.

🔗 Related Diagnostic Codes

Often diagnosed alongside:

Frequently Asked Questions about P0404

What does P0404 mean?

The diagnostic trouble code P0404 represents EGR A Control Circuit Range/Performance. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

What is the system for P0404?

The P0404 code is located in the vehicle's Powertrain network.

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